Roger Federer maintained his big lead in the men’s tennis rankings issued by the ATP.

The Swiss Federer has 10,690 points to lead from Serb Novak Djokovic (7,390) and Spain’s Rafael Nadal (6,980), who won a sixth Monte Carlo Masters title on Sunday.

The Monte Carlo finalist Fernando Verdasco of Spain rose from 12th to ninth place.

ATP top 10 as of April 19 (previous ranking in parenthesis): 1. (1) Roger Federer, Switzerland, 10,690 2. (2) Novak Djokovic, Serbia, 7,390 3. (3) Rafael Nadal, Spain, 6,980 4. (5) Juan Martin del Potro, Argentina, 5,725 5. (4) Andy Murray, Britain, 5,485 6. (6) Nikolay Davydenko, Russia, 5,335 7. (7) Andy Roddick, United States, 4,780 8. (8) Robin Soderling, Sweden, 4,595 9. (12) Fernando Verdasco, Spain, 3,145 10. (10) Jo-Wilfried Tsonga, France, 3,005.

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